fn getline() -> String{
        let mut __ret=String::new();
        std::io::stdin().read_line(&mut __ret).ok();
        return __ret;
}

fn main(){
        let ab: Vec<String> = getline().trim().split(' ').map(|x| x.parse().unwrap()).collect();

        if ab[0] == "2" && ab[1] == "2" || ab[0] == "0" && ab[1] == "0" {
                println!("E");
        } else if ab[0] == "0" || ab[0] == "1" || ab[1] == "0" || ab[1] == "1" {
                println!("S");
        } else {
                println!("P");
        }
}